franklin



(No Model.) I 2 Sheets-Sheet 1. E. A. FRANKLIN.

GHURN.

Patented June'll, 1895.

Ill

i 10021316? Wa EJWardflZGam/Zlv'n @Y & y

' (No Model.) 2 SheetsSheet 2.

E. A. FRANKLIN.

, GHURN. No. 540,858.

llllin Edward M781 5671/ Patented June 11,1895.

w. \\?ii: M w a 2i V I 0 Iv 01 Q 01 I m Jul I 5' I y I m I. m m J A v 1 M M u. m I u H m l m m 5:55:5 Eda l )w m W1 n 5 "x 7 M 6 m 2: ,m m/ w rllll I n a 5 .s m M v i l l hH rHV M o M v u x m vu m w w w I //l! l v\ v m 5 i Q I h a II r 5 a 4 M l m u 1 M 7 pai Wiigzsses NITED STATE PATENT Oneida,-

EDWARD A. FRANKLIN, OF AUSTIN, TEXAS, ASSIGNOR TO THE FRANKLIN MANUFACTURING COMPANY, INCORPORATED, OF SAME PLACE.

CHURN.

SPECIFICATION forming part of Letters Patent N 0. 540,858, dated June 11, 1895.

' Application filed June 30, 1894. Serial No. 516,230. (No model.) I

To aZZ whom it may concern:

Be it known that I, EDWARD A. FRANKLIN, a citizen of the United States, residing at Austin, in the county of Travis and State of Texas, have invented a new and useful Churn, of which the following is a specification.

This invention relates to churns; and it has for its object to effect certain improvements in that class of churns which provide means for the aeration and agitation of the cream at one and the same operation, whereby the milk and cream will be thoroughly purified and separated and the cream quickly converted into butter.

To this end the main and primary object of the present invention is to provide a new and useful churn of the character noted, which shall provide simple and efficient means for thoroughly aerating and agitating the cream.

With the above and many other objects in view, which will readily appearas the nature of the invention is better understood, the same consists in the novel construction, combination, and arrangement of parts hereinafter more fully described, illustrated, and claimed.

In the drawings, Figure 1 is a perspective view of a churn constructed in accordance with this invention. Fig. 2 is a central vertical longitudinal sectional view thereof. Fig. 3 is an enlarged detail sectional view on the linem a: of Fig. 2. Fig. 4 is a vertical sectional view, the line'of section including the removable water box or pocket. Fig. 5 is a detail sectional View at the bottom of the churn-bucket.

1 Referring to the accompanying drawings, 1

designates a suitable platform stand that is stand 1, and adapted to receive the bottom of vided on oppositesid'es at its upper end with suitable handlese, by means of which the same can be readily handled, and said bucket is further provided'on the bottom thereof with the bearing step 5, that forms a bearing 5 for the lower pointed end 6, of the vertical dasher shaft 7, removably supported to rotate within the bucket. .T

The dasher shaft 7., is adapted to removably and adjustably accommodate thereon the up per and lower inverted dasher cups 8 and 9, respectively, both of which are adapted to rotate in fixed horizontal planes. Bothof said cups have projected from the top sides thereof the attaching tubes 10, that loosely embrace the'shaft 7, and are removably fastened thereon at the proper point of adjustment by means of the fastening or set screws 11, engaging threaded openings 12, in the said at- (aching tubes and impinging against the said dasher shaft. The lower of said inverted dasher cups 9, is provided with a series of perforations 13, formed in the top and in the depending rini flange 14, thereof, while .the upper of said inverted dasher cups 8, is pro vided with an imperforate top and with a series of circulating perforations or openings 13*, formed in the depending rim flange 14, thereof, and the particular use and function of these dasher cups and the perforations Be or openings therein will be hereinafter referred to.

The removable vertical dasher shaft 7, that rotates within the churn bucket 2, is provided at its upper extremity with the bearing socket 15, that is adapted to removably receive the lower end of the journal pin 16. The journal pin 16, is loosely arranged in the perforation 17, at the outer extremity of the bracket rod 18, and is held stationary when fitted at its lower end into the socket at the upper end of the dasher shaft by means of the set'screw 19, working in athreaded opening 20, in the outer extremity of the rod 18, and impinging against the said journal pin. The bracket rod 18, is 5 arranged in a horizontal position over the churn bucket 2, and is-removably fitted at one end in the socket 21 at the upper extremity of the bearing or supporting standard 22, provided at its lower end with attaching flanges I00 23, secured on the platform stand 1-, in a .position at one side of the bucket 2. The said supporting standard 1, is provided at a point intermediate of its ends with the upper and lower bearing collars 24 and 25, respectively, in the lower of which collars 25, is journaled the stub shaft 26, to the outer end of which is fitted the gear 27, to one side of which is attached the crank handle 28, for operating the same, and said gear wheel 27, meshes with the gear pinion 29, immediately thereabove, and mounted on one end of the short crank shaft 30, which is journaled in the upper of said bearing collars 24. Arranged directly at one side of the gear pinion 29, on one end of the shaft 30, is a grooved belt wheel 31, around which passes the endless cord belt 32, the opposite portions of which are arranged to pass over the opposite grooved pulleys 33, loosely journaled on the upwardly inclined spindles 34, projected from opposite sides of the standard 22, above the shaft 30, and the wheel 31,- thereon, and the arrangement of said pulleys provides for the guiding of the upper portion of said endless belt in a horizontal direction whereby the same will be arranged to pass over the horizontal grooved pulley 35, mounted on the upper end of the vertical dasher shaft 7. By turning the gear wheel 27, it will be seen that a rapid rotation will be given to the vertical dasher shaft carrying the dasher cup in order to insure the proper churning of the cream, while at the same time the'gear connections with the said dasher shaft are readily detachable, whereby the shaft can be readily disconnected from the gearing and taken out of the churn bucket.

The churn bucket 2, has fitted in the lower end thereof the inwardly extending air pipe 36. The air pipe 36, projects beyond the outer side of the bucket and extends inwardly within the bucket at the bottom thereof to a point directly under and covered by the lower inverted dasher cup 9, and said air pipe 36, has removably fitted on the outer extremity thereof oneend of the flexible air tube 37, the other end of which leads to and is removably fitted on the discharge neck 38, projected laterally from the upper end of the oscillating pump cylinder 39.

The oscillating pump cylinder 39, is open at its lower end and is provided at the upper end thereof with a horizontal bearing collar 40, which loosely fits the bracket rod 18, to support the pump cylinder for an oscillating movement, and the said pump cylinder is held to a fixed oscillation by means of the key-pin 41, fitted in the pin opening 41, in the rod 18, at one side of the collar 40. The pump cylinder 39, accommodates therein the valved piston or plunger head 42. The piston or plunger head 42, snugly works within the cylinder and is provided therein with a series of valve openings 43, that are covered and 11D- covered at the top of the head by the flexible' flap valve 44, normally held onto its seat by a spring 45, which together with the valve are secured to the plunger head by the screw 46, passing therethrough and engagingathreaded opening in the head. The plunger head 42, is fitted on the upper end of the piston rod 47, which is provided at its lower end with the bearing box 48, that loosely engages the pin of the crank arm 49, formed at the inner end of the short crank shaft 30, so that simultaneous with the rotation of the dasher by the means described, the pump cylinder will be oscillated and the piston thereof reciprocated so as to force a current of air into the bottom of the churn bucket directly under the lower dasher cup 9.

By forcing the air into the milk at the bottom of the bucket by the means described, causes all the cream, which is very light, to rise to the top and the revolving dasher cups by catching the airand forcing it out through the holes or perforations therein into the cream provide means for converting the cream into butter in a very short time. It will be noted that by reason of the disposition of the air pipe 36, to discharge directly under the dasher cup 9, all the air forced into the bottom of the bucket will be caught by the cup 9, and thrown out therefrom in every direction through the perforations or openingsin the top and depending rim flange there of. The upper inverted dasher cup 8, is adapted to be adjusted in position at the top of the cream with its perforated rim tlangesubmerged in the cream, and the air that passes into this upper dasher cup will be caused to pass out through the perforations or openings in the rim flange thereof and through the cream, so that the air will be caused to act as a powerful agitator and purifier, whereby granulated butter of the very best quality would be produced. When the butter is made and ready to gather, the upper dasher cup 8, is adjusted below the surface of the milk and the centrifugal motion induced thereby will cause every particle of butter to gather around the shaft where it may be easily collected.

The churn bucket 2, is provided within the same at one side with the U-shaped keeper bracket 50, that is adapted to removably secure in position at one side of the bucket the removable upright water box or pocket 51. The removable upright water box or pocket 51, is substantially rectangular in shape and of a length equaling the depth of the bucket, and the said box or pocket is provided at its upper edge with the hook-shaped spring clip 52, that is adapted to engage over the upper edge of the churn bucket to hold the box or pocket firmly in position. The said box or pocket is adapted to hold hot or cold water for the purpose of bringing the cream to the proper churning temperature, and also acts in the capacity of a break to prevent the cream from revolving too fast, thereby causing a greatc degree of agitation of the same.

Changes in the form, proportion and the minor details of construction may be resorted to without departing from the principle or sacrificing any of the advantages of this invention.

Having thus described the invention, what is claimed, and desired to be secured by Letters Patent, is

1. In a churn, the combination of a stationary churn bucket, a vertical revolving dasher shaft mounted within the bucket, upper and lower inverted'circular dasher cups adjustably fitted on said shaft. and adapted to rofate in fixed horizontal planes, the lower of said cups being arranged near the bottom of the bucket and provided With perforations in a the top and depending rim thereof, and the upper of said cups being arranged Within the top part of the bucket and provided with a Hat imperforate top lying within the same .vertical plane as the perforate top of the lower cup to provide for holding the air that rises through the perforation in the top of the lower cup, said upper cup being further provided with perforations in the depending rim thereof, and an air conducting pipe arranged to discharge air into the churn bucket directly under and into the lower of said dasher cups, substantially as set forth.

2. In a churn, the combination with the platform stand of the churn bucket having a bottom air inlet, a dasher shaft stepped in said bucket and provided at itsupper end with a bearing socket, a supporting standard arising from said platform stand, and having at its upper end an off-standing bracket rod,

a journal pin removably and adjustably mounted at the outer extremity of said bracket rod and adapted to engage in the bearing socket of said shaft, an oscillating'air pump supportedon said bracket rod, a flexible tube connecting said pump with the air inlet of the bucket, a short crank shaft; journaled in .standard and meshing with said pinion, a

crankhandle attached to said gear wheel,'opposite grooved pulleys journaled at opposite sides of the standard above the short crank shaft, a pulley mounted on the upper end of the dasher shaft, and an endless belt arranged to pass over the several pulleys and around said belt wheels, substantially as set forth.

3. In a churn, the combination with the platform stand and the churn bucket having a bottom air inlet; of the supporting standard arising from said platform stand and provided at its upper end with an off-standing bracket rod, an oscillating pump cylinder suspended from the bracket rod and provided at its upper end with a horizontal bearing collar loosely turning on said bracket rod and an off-standing discharge neck, a tube connecting the discharge neck of the cylinder with the air inlet of the bucket, a valved piston head carrying a rod provided with a hearing box, and the gearing devices having a crank shaft the crank pin of which loosely turns in the bearing box of the piston rod, substantially as set forth.

In'testimony that I claim the foregoing as -my own I have hereto affixed my signature in the presence of two witnesses. EDWARD A. FRANKLIN.

Witnesses:

Jos. B. WINN, J OHN- NAGLE. 

